Paper Info
Title
A Fast-Locking Agile Frequency Synthesizer for MIMO Dual-mode WiFi / WiMAX Applications
Abstract
In this paper, a frequency synthesizer based on phase-locked loop (PLL) technique for dual-mode WiFi (2.4-GHz band) and WiMax (5-GHz band) applications is presented. The frequency synthesizer with wide frequency range application and the settling time within 10-mus is realized by a time-to-voltage converter (TVC). A 40-MHz input reference for 125-KHz frequency steps which is realized by a 12-bits MASH 1-1 delta-sigma modulator for fractional divisions. The frequency synthesizer provides output frequency ranges from 4.6-GHz to 5.4-GHz with simulated phase noise of around -110 dBc/Hz at 1-MHz offset. Simulated in standard 0.13-mum CMOS process, the frequency synthesizer dissipates 40-mW from a 1.2-V power supply.
Year
DOI
Venue
2007
10.1007/s10470-009-9355-1
Analog Integrated Circuits and Signal Processing
Keywords
Field
DocType
Frequency synthesizer,Phase-locked loop,Time-to-voltage converter,Fast locking,Voltage-controlled oscillator,Phase alignment
Phase-locked loop,Computer science,Phase noise,Electronic engineering,Frequency synthesizer,Voltage-controlled oscillator,Delta-sigma modulation,Control engineering,Frequency multiplier,dBc,Direct digital synthesizer
Conference
Volume
Issue
ISSN
64
1
0925-1030
Citations 
PageRank 
References 
0
0.34
3
Authors
2
Name
Order
Citations
PageRank
Meng-Ting Tsai1252.61
Ching-Yuan Yang222736.15